Entrada binaria 4 canales ABB-free@home®

4 channels can be connected with conventional push-buttons or auxiliary contacts. The information of contact scanning can be used to control free@home actuators or for indicate status inforamtion. The contact scanning voltage are made available by binary input device. The devices are supplied by free@home bus, there is no additional power supply neccessary. The compact design allows the installation of conventionell 60 mm installation box or device box.